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Red Hat: CVE-2020-13974: CVE-2020-13974 kernel: integer overflow in k_ascii() in drivers/tty/vt/keyboard.c (Multiple Advisories)

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Red Hat: CVE-2020-13974: CVE-2020-13974 kernel: integer overflow in k_ascii() in drivers/tty/vt/keyboard.c (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
06/09/2020
Created
05/14/2022
Added
05/13/2022
Modified
03/13/2024

Description

An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if k_ascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2020-13974
  • RHSA-2022:1975
  • RHSA-2022:1988

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